Firefighters allow a chemical fire to burn off at the Nexeo Solutions plant in Garland, Texas, on Friday, Nov. 16, 2012. Fire Capt. Merrill Balanciere says it's still unclear what caused the fire, but the flames were fueled by highly flammable toluene and methanol. All 41 workers who were at the plant at the time of the fire are safe. less

Firefighters allow a chemical fire to burn off at the Nexeo Solutions plant in Garland, Texas, on Friday, Nov. 16, 2012. Fire Capt. Merrill Balanciere says it's still unclear what caused the fire, but the ... more

Photo: Louis DeLuca, Associated Press

Firefighters allow a chemical fire to burn off at the Nexeo... Photo-3749172.52604 - Houston Chronicle

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People watch as plumes of smoke rise from a fire at the Nexeo Solutions chemical plant, bought from Ashland Chemical, located in a predominantly industrial area of Garland, near Dallas on Friday afternoon, Nov. 16, 2012. less

People watch as plumes of smoke rise from a fire at the Nexeo Solutions chemical plant, bought from Ashland Chemical, located in a predominantly industrial area of Garland, near Dallas on Friday afternoon, Nov. ... more

Photo: Louis Deluca, Associated Press

People watch as plumes of smoke rise from a fire at the Nexeo... Photo-3748826.52604 - Houston Chronicle

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Kevin Cromer takes a photo of his daughter Cason Cromer as flames and smoke fill the evening sky from a chemical fire at the Nexeo Solutions plant in Garland.

Kevin Cromer takes a photo of his daughter Cason Cromer as flames and smoke fill the evening sky from a chemical fire at the Nexeo Solutions plant in Garland.